Practice State Exam Grade 8

Which cell structure is found in plant cells?

• Cell wall

• Cell membrane

• Nucleus

• Cytoplasm

Amebas are single-celled organisms that need to obtain food in order to

• release oxygen into the air

• protect themselves from other living things

• get the energy they need to carry out life functions

• remove harmful chemicals from the enviornment

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-7

Three living organisms are labeled in the diagram. What do the rabbit, fungus, and tree have in common?

• They are all producers

• They are all omnivores

• They all belong to the same kingdom

• They are all multicellular organisms

Which term identifies a group of cells of the same type working together to perform a common function?

• Microbe

• Gene

• Tissue

• Hormone

Tags

NGSS.MS-LS1-3

The diagram shows graham crackers in a food processor. When the processor is turned on the crackers break into smaller pieces. Which human digestive process is most similar to this activity?

• mechanical digestion

• chemical digestion

• solid waste elimination

• liquid waste elimination

The diagram represents some respiratory structures in three organisms. The labeled structures in these organisms all have a similar function.

What is the main function of the labeled structure in each organism?

• Circulation of blood

• Digestion of food

• Production of hormones

• Exchange of gases

One function of the human excretory system is

• Making materials that the body cells need

• Removing excess heat energy from the body

• Moving substances to and from body cells

• Controlling the body's responses to stimuli

Which term is used to describe the sum of all the chemical processes in the human body?

• Equilibrium

• Inheritance

• Metamorphosis

• Metabolism

Tags

NGSS.MS-LS1-3

Why is an organism that reproduces asexually genetically identical to its parent?

• All of the offspring's genes came from the parent

• All of the offspring's genes mutated to look like the parent's genes

• The offspring inherited only half of the parent's genes

• The offspring inherited only the parent's dominant genes

Tags

NGSS.MS-LS3-2

The sequence of diagrams represents the plants present in the same area at different times over a 200-year period following a forest fire.

Which process is best represented by this sequence of diagrams?

• Selective breeding

• Ecological succession

• Habitat destruction

• Feeding relationships

Tags

NGSS.MS-LS2-4